SOLUTION: Solve, write answer in Set Builder Notation. Please show me the steps you used.... 21 - 4 (5x - 3) > -25x - 30

Algebra ->  Inequalities -> SOLUTION: Solve, write answer in Set Builder Notation. Please show me the steps you used.... 21 - 4 (5x - 3) > -25x - 30      Log On


   



Question 443194: Solve, write answer in Set Builder Notation.
Please show me the steps you used....
21 - 4 (5x - 3) > -25x - 30

Answer by swincher4391(1107) About Me  (Show Source):
You can put this solution on YOUR website!
DISTRIBUTE
21 -20x - 3 > -25x - 30
COMBINE AND SIMPLIFY
18 -20x > -25x -30
48 > -5x
Because we divided/multiplied by a negative, switch the direction.
-48/5 < x
============
x+%3E+-48%2F5
SET BUILDER : x | x > -48/5